What starts out as forgetfulness or confusion often progresses to a state where the person can no longer make sound personal decisions and suffers from cognitive impairment. At this point, for your loved one's wellbeing, you are faced with a decision on having her declared mentally incompetent. Laws regarding who might petition the court for this declaration and related guardianship regulations vary according to state.
Medical Definition of PREFRONTAL CORTEX. : the gray matter of the anterior part of the frontal lobe that is highly developed in humans and plays a role in the regulation of complex cognitive, emotional, and behavioral functioning.ADVERTISEMENT.noun. the gray matter of the anterior part of the frontal lobe that is highly developed in humans and plays a role in the regulation of complex cognitive, emotional, and behavioral functioning.
a form of psychosurgery consisting of cutting of nerve fibers connecting a lobe of the brain with the thalamus. In most cases the affected parts are the prefrontal or frontal lobes, the areas of the brain involved with emotion; thus the operation is referred to as prefrontal or frontal lobotomy.